1*0f4c859eSApple OSS Distributions /*
2*0f4c859eSApple OSS Distributions * Copyright (c) 2016 Apple Computer, Inc. All rights reserved.
3*0f4c859eSApple OSS Distributions *
4*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5*0f4c859eSApple OSS Distributions *
6*0f4c859eSApple OSS Distributions * This file contains Original Code and/or Modifications of Original Code
7*0f4c859eSApple OSS Distributions * as defined in and that are subject to the Apple Public Source License
8*0f4c859eSApple OSS Distributions * Version 2.0 (the 'License'). You may not use this file except in
9*0f4c859eSApple OSS Distributions * compliance with the License. The rights granted to you under the License
10*0f4c859eSApple OSS Distributions * may not be used to create, or enable the creation or redistribution of,
11*0f4c859eSApple OSS Distributions * unlawful or unlicensed copies of an Apple operating system, or to
12*0f4c859eSApple OSS Distributions * circumvent, violate, or enable the circumvention or violation of, any
13*0f4c859eSApple OSS Distributions * terms of an Apple operating system software license agreement.
14*0f4c859eSApple OSS Distributions *
15*0f4c859eSApple OSS Distributions * Please obtain a copy of the License at
16*0f4c859eSApple OSS Distributions * http://www.opensource.apple.com/apsl/ and read it before using this file.
17*0f4c859eSApple OSS Distributions *
18*0f4c859eSApple OSS Distributions * The Original Code and all software distributed under the License are
19*0f4c859eSApple OSS Distributions * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20*0f4c859eSApple OSS Distributions * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21*0f4c859eSApple OSS Distributions * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22*0f4c859eSApple OSS Distributions * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23*0f4c859eSApple OSS Distributions * Please see the License for the specific language governing rights and
24*0f4c859eSApple OSS Distributions * limitations under the License.
25*0f4c859eSApple OSS Distributions *
26*0f4c859eSApple OSS Distributions * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27*0f4c859eSApple OSS Distributions */
28*0f4c859eSApple OSS Distributions
29*0f4c859eSApple OSS Distributions #include <libkern/crypto/crypto_internal.h>
30*0f4c859eSApple OSS Distributions #include <libkern/crypto/rsa.h>
31*0f4c859eSApple OSS Distributions #include <corecrypto/ccrsa.h>
32*0f4c859eSApple OSS Distributions
33*0f4c859eSApple OSS Distributions
34*0f4c859eSApple OSS Distributions int
rsa_make_pub(rsa_pub_ctx * pub,size_t exp_nbytes,const uint8_t * exp,size_t mod_nbytes,const uint8_t * mod)35*0f4c859eSApple OSS Distributions rsa_make_pub(rsa_pub_ctx *pub,
36*0f4c859eSApple OSS Distributions size_t exp_nbytes, const uint8_t *exp,
37*0f4c859eSApple OSS Distributions size_t mod_nbytes, const uint8_t *mod)
38*0f4c859eSApple OSS Distributions {
39*0f4c859eSApple OSS Distributions if ((exp_nbytes > RSA_MAX_KEY_BITSIZE / 8)
40*0f4c859eSApple OSS Distributions || (mod_nbytes > RSA_MAX_KEY_BITSIZE / 8)) {
41*0f4c859eSApple OSS Distributions return -1; // Too big
42*0f4c859eSApple OSS Distributions }
43*0f4c859eSApple OSS Distributions ccrsa_ctx_n(pub->key) = ccn_nof(RSA_MAX_KEY_BITSIZE);
44*0f4c859eSApple OSS Distributions return g_crypto_funcs->ccrsa_make_pub_fn(pub->key,
45*0f4c859eSApple OSS Distributions exp_nbytes, exp,
46*0f4c859eSApple OSS Distributions mod_nbytes, mod);
47*0f4c859eSApple OSS Distributions }
48*0f4c859eSApple OSS Distributions
49*0f4c859eSApple OSS Distributions int
rsa_verify_pkcs1v15(rsa_pub_ctx * pub,const uint8_t * oid,size_t digest_len,const uint8_t * digest,size_t sig_len,const uint8_t * sig,bool * valid)50*0f4c859eSApple OSS Distributions rsa_verify_pkcs1v15(rsa_pub_ctx *pub, const uint8_t *oid,
51*0f4c859eSApple OSS Distributions size_t digest_len, const uint8_t *digest,
52*0f4c859eSApple OSS Distributions size_t sig_len, const uint8_t *sig,
53*0f4c859eSApple OSS Distributions bool *valid)
54*0f4c859eSApple OSS Distributions {
55*0f4c859eSApple OSS Distributions return g_crypto_funcs->ccrsa_verify_pkcs1v15_fn(pub->key, oid,
56*0f4c859eSApple OSS Distributions digest_len, digest,
57*0f4c859eSApple OSS Distributions sig_len, sig, valid);
58*0f4c859eSApple OSS Distributions }
59